MESAC provides communication support for community activities. MESAC participates in this list of events and training activities, as well as others not listed. The links will take you to photos and details with further external links to that event’s website.
- Costa Mesa Concerts in the Park
- Scarecrow & Pumpkin Festival at Goat Hill
- Costa Mesa City Hall Car Show
- National Night Out
- Amateur Radio Field Day
- OC RACES City-County MOU Drill
- Radio Rodeo (MARRITE) Communications Drill
- Costa Mesa Community Run
- Primary and General Elections
- Baker to Vegas Relay Race